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Differences What are the advantages of each

Front view of Intel Celeron 1000M

Reasons to consider the
Intel Celeron 1000M

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Much newer manufacturing process 22 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 69.31W 2.4x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 71 °C Around 50% higher Maximum operating temperature
Newer Jan, 2013 vs May, 2004 Release date over 8 years later
More cores 2 vs 1 Twice as many cores; run more applications at once
Much lower annual home energy cost 8.43 $/year vs 20.55 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 74.72 $/year 2.4x lower annual commercial energy cost
Front view of AMD Opteron 846

Reasons to consider the
AMD Opteron 846

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Higher clock speed 2 GHz vs 1.8 GHz More than 10% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Slightly better overclocked clock speed (Air) 2 GHz vs 1.8 GHz More than 10% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 2 GHz vs 1.8 GHz More than 10% better overclocked clock speed (Water)

Features Key features of the Celeron 1000M  vs Opteron 846 

clock speed

Celeron 1000M
1.8 GHz
Opteron 846
2 GHz

L2 cache

overclocked clock speed (air)

Celeron 1000M
1.8 GHz
Opteron 846
2 GHz

overclocked clock speed (water)

Celeron 1000M
1.8 GHz
Opteron 846
2 GHz

TDP

Specifications Full list of technical specs

summary

Celeron 1000M  vs
Opteron 846 
Clock speed 1.8 GHz 2 GHz
Cores Dual core Single core
Socket type
rPGA 988B
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Celeron 1000M  vs
Opteron 846 
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 22 nm 130 nm
Max CPUs 1 8
Clock multiplier 18 10
Operating temperature Unknown - 105°C 0 - 71°C

overclocking

Overclocked clock speed 1.8 GHz 2 GHz
Overclocked clock speed (Water) 1.8 GHz 2 GHz
Overclocked clock speed (Air) 1.8 GHz 2 GHz

power consumption

TDP 35W 85.3W
Annual home energy cost 8.43 $/year 20.55 $/year
Annual commercial energy cost 30.66 $/year 74.72 $/year
Typical power consumption 28.44W 69.31W
Intel Celeron 1000M
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AMD Opteron 846
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